RANKING · 2010 CENSUS · 66 SHOWN OF 66

Highest Mexican population share, Pennsylvania counties · 2010

Pennsylvania counties ranked by the share of all residents who are Mexican origin (2010 American Community Survey). A concentration measure: Mexican residents as a percentage of total population. This list covers the 66 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 66 is 0.4%.

Mexican Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS –

01Adams County, PAPA107,5944.2%–

02Chester County, PAPA557,1163.5%–

03Berks County, PAPA440,0722.5%–

04Union County, PAPA42,3131.7%–

05Dauphin County, PAPA293,3511.4%–

06Montgomery County, PAPA877,6431.4%–

07Franklin County, PAPA160,6521.3%–

08Lehigh County, PAPA384,3831.1%–

09Bucks County, PAPA647,8281.1%–

10Luzerne County, PAPA332,1261.1%–

11York County, PAPA473,1971.0%–

12Philadelphia County, PAPA1,574,2810.9%–

13Lackawanna County, PAPA216,5020.9%–

14Lebanon County, PAPA146,3800.8%–

15Northampton County, PAPA324,4110.8%–

16Schuylkill County, PAPA145,0850.8%–

17Lancaster County, PAPA563,1590.8%–

18Monroe County, PAPA167,1790.7%–

19Fulton County, PAPA14,4830.7%–

20Erie County, PAPA265,8320.6%–

21Delaware County, PAPA580,9370.6%–

22Cambria County, PAPA128,9680.6%–

23Montour County, PAPA17,8680.6%–

24Cameron County, PAPA4,2110.5%–

25Pike County, PAPA62,8080.5%–

26Cumberland County, PAPA277,2700.5%–

27Butler County, PAPA200,1690.5%–

28Beaver County, PAPA166,0320.5%–

29Huntingdon County, PAPA43,0010.5%–

30Mercer County, PAPA107,8600.5%–

31Juniata County, PAPA23,4030.5%–

32Clearfield County, PAPA78,1000.4%–

33Allegheny County, PAPA1,225,0350.4%–

34Washington County, PAPA210,8020.4%–

35Susquehanna County, PAPA38,2370.4%–

36McKean County, PAPA38,9840.4%–

37Indiana County, PAPA82,8780.4%–

38Bedford County, PAPA47,4800.4%–

39Bradford County, PAPA59,6000.4%–

40Potter County, PAPA15,8970.4%–

41Forest County, PAPA6,6140.4%–

42Greene County, PAPA33,8850.3%–

43Mifflin County, PAPA46,1270.3%–

44Wayne County, PAPA51,7030.3%–

45Northumberland County, PAPA89,9200.3%–

46Centre County, PAPA157,3930.3%–

47Blair County, PAPA119,5410.3%–

48Elk County, PAPA29,9260.3%–

49Crawford County, PAPA81,7920.3%–

50Columbia County, PAPA66,1930.3%–

51Perry County, PAPA46,8060.3%–

52Lycoming County, PAPA112,5870.3%–

53Carbon County, PAPA65,8680.3%–

54Clinton County, PAPA37,8700.3%–

55Westmoreland County, PAPA349,3240.3%–

56Fayette County, PAPA123,0210.2%–

57Lawrence County, PAPA83,9110.2%–

58Tioga County, PAPA40,5020.2%–

59Somerset County, PAPA72,0040.2%–

60Armstrong County, PAPA63,6980.2%–

61Warren County, PAPA37,0380.2%–

62Snyder County, PAPA39,6550.2%–

63Wyoming County, PAPA25,7900.2%–

64Clarion County, PAPA36,6800.2%–

65Venango County, PAPA49,3460.1%–

66Jefferson County, PAPA43,2550.1%–

SHOWING 1–66 OF 66

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS